Seneca County, Ohio Age & Gender Distribution (2024)
Population distribution by age and gender for Seneca County, Ohio
Seneca County, Ohio Age & Gender Statistics (2024)
Total Population
54,770
Median Age
40.2
Male Median
38.8
Female Median
41.4
Seneca County, Ohio Population Growth
Seneca County, Ohio Demographic Trend
Since 2010, the population of has changed by -4.1%%.
-4.1%% Growth
Seneca County, Ohio Age & Gender Pyramid
Figure 2: Population distribution by age and gender for 2024.
Seneca County, Ohio Historical Population Data
| Year | Median Age | Population |
|---|---|---|
| 2024 | 40.2 | 54,770 |
| 2023 | 40.5 | 54,861 |
| 2022 | 40.6 | 55,062 |
| 2021 | 40.5 | 55,166 |
| 2020 | 40.4 | 55,251 |
| 2019 | 39.9 | 55,351 |
| 2018 | 39.4 | 55,475 |
| 2017 | 39.5 | 55,549 |
| 2016 | 39.4 | 55,711 |
| 2015 | 39.0 | 55,929 |
| 2014 | 39.1 | 56,100 |
| 2013 | 39.2 | 56,376 |
| 2012 | 38.8 | 56,630 |
| 2011 | 38.8 | 56,901 |
| 2010 | 38.9 | 57,091 |
Seneca County, Ohio Age Group Breakdown (2024)
| Age Cohort | Percentage |
|---|---|
| Under 5 | 5.4% |
| 5–17 | 16.0% |
| 18–24 | 10.7% |
| 25–34 | 12.0% |
| 35–54 | 23.1% |
| 55–64 | 13.4% |
| 65+ | 19.2% |
Dependency Ratios for Seneca County, Ohio
- Total Dependency Ratio:
- 68.5
- Youth Dependency:
- 36.1
- Old-Age Dependency:
- 32.4
The dependency ratio measures dependents (ages 0-17 and 65+) per 100 working-age individuals (ages 18-64).
Age & Gender FAQs for Seneca County, Ohio
The median age in Seneca County, Ohio is 40.2 years.
According to latest Census data, the total population of Seneca County, Ohio is 54,770.
In Seneca County, Ohio, seniors (ages 65+) make up 19.2% of the population, while children under 18 represent 16.0%.
Based on historical data since 2010, the population in Seneca County, Ohio has remained stable.